Properties of the Number 68130

Sixty-Eight Thousand One Hundred Thirty

Basics

Value: 68129 → 68130 → 68131

Parity: even

Prime: No

Previous Prime: 68113

Next Prime: 68141

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 757

Divisors: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000101000100010

Octal: 205042

Duodecimal: 33516

Hexadecimal: 10a22

Square: 4641696900

Square Root: 261.01724080987447

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Smallest number whose sixth power has n digits. A130080

a(n) = 81·n² + 9. A157888

a(n) = 972·n² - 1224·n + 414 with n > 0. A304166

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 58. A31736

Triangular numbers with sum of digits = 15. A68130